Transcript for Viral Ad Aims to Inspire Young Girls to Change the World

And now, we have a powerful ad that's gone viral. Encouraging parents to tell daughters they're not only pretty but pretty brilliant, too. It's an ad to grow up and change the world. Reena ninan has the story. Don't get your dress dirty. Reporter: It's an equation that just doesn't add up. Be careful with that. Why don't you hand that to your brother? Reporter: The powerful ad, suggesting the reason that young girls interested in science and math, don't pursue careers in those areas because parents suddenly discourage them. Our words can have a huge impact. Isn't it time we told her she's pretty brilliant, too? Even subconsciously, we can say and do things that make our kids feel they're incapable. And that's something every parent needs. Reporter: The campaign sheds light on research that shows a significant drop off in women interested in science, technology, math and engineering fields. Verizon's call to action, the most recent in a long string of feminist inspired commercials. I've come a long way in how I see myself. Encouraging women not to be so critical. Reporter: Then, the campaign that inspires women to be more assertive and less apologetic. And who could forget the Goldie blocks commercial? A toy company aimed to give more toy choices than the norm. These ads are getting millions of youtube videos. These marketers are wise. Encourage her love of science and technology. And inspire her to change the world. For "Good morning America," Reena ninan, ABC news, New York. And joining us now is Dr. Robyn Silverman. I love this kind of thing. We know that girls are being told that they're not good enough and not smart enough. And here, we have adds that can tell them they can do anything. The message in that piece is startling. 66% of girls like science and math. And 18% of college engineering brads are women. But the ad seems to blame parents. Girls are being told that they are not smart enough. And simultaneously, they're being told that science and technology is not for them. Why bother going into it? Do parents really say that? It's society as a whole. We're telling the girls you're going to be judged on your looks. Going into the toy stores, all of those sttoys are on the boy side. Girls are not seeing themselves in that life. And you have a young daughter. I do. What can parents do to encourage this? My girl is filled with curiosity. And I love to fuel that. I tell her and the audiences, if you're going to fuel your curiosity, you have to get your hands dirty. She's outside. She's digging in the dirt. Pulling up worms. Move the toys to the other side of the store. And parents can foster that in their girls. We want parents to understand that you need to fuel those gifts. Don't label them with a gender stereotype. Make sure you compliment girls, not just on their looks but on all parts of themselves. And realize that a powerful character, like persistence and commitment, we need to fuel that in our girls. Now, to a health alert about common acne treatments used by

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